Home / 126,461.90-174,502.49-75,465.18

Finding the Fourth Proportional to 126,461.90, 174,502.49 and 75,465.18

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Solution

The fourth proportional to 126,461.90, 174,502.49 and 75,465.18 is: 104,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.90 : 174,502.49 = 75,465.18 : x
  2. Step 2: Convert to fraction form
    126,461.90/174,502.49 = 75,465.18/x
  3. Step 3: Cross multiply
    126,461.90x = 174,502.49 × 75,465.18
  4. Step 4: Simplify right side
    126,461.90x = 13,168,861,440.97
  5. Step 5: Solve for x
    x = 13,168,861,440.97/126,461.90
  6. Step 6: Final answer
    x = 104,133.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.